115680066203081 has 2 divisors, whose sum is σ = 115680066203082. Its totient is φ = 115680066203080.

The previous prime is 115680066203077. The next prime is 115680066203111. The reversal of 115680066203081 is 180302660086511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105915816154681 + 9764250048400 = 10291541^2 + 3124780^2 .

It is a cyclic number.

It is not a de Polignac number, because 115680066203081 - 2² = 115680066203077 is a prime.

It is a super-3 number, since 3×115680066203081³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (115680066103081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57840033101540 + 57840033101541.

It is an arithmetic number, because the mean of its divisors is an integer number (57840033101541).

Almost surely, 2^{115680066203081} is an apocalyptic number.

It is an amenable number.

115680066203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

115680066203081 is an equidigital number, since it uses as much as digits as its factorization.

115680066203081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 115680066203081 in words is "one hundred fifteen trillion, six hundred eighty billion, sixty-six million, two hundred three thousand, eighty-one".